(19)
(11) EP 3 704 877 A1

(12)

(43) Date of publication:
09.09.2020 Bulletin 2020/37

(21) Application number: 18873404.0

(22) Date of filing: 01.11.2018
(51) International Patent Classification (IPC): 
H04W 4/029(2018.01)
H04W 4/12(2009.01)
H04W 4/021(2018.01)
(86) International application number:
PCT/US2018/058649
(87) International publication number:
WO 2019/089892 (09.05.2019 Gazette 2019/19)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 03.11.2017 US 201715802719

(71) Applicant: Roku, Inc.
San Jose, CA 95110 (US)

(72) Inventor:
  • HOLLINGER, Joseph
    San Jose, CA 95110 (US)

(74) Representative: Mewburn Ellis LLP 
Aurora Building Counterslip
Bristol BS1 6BX
Bristol BS1 6BX (GB)

   


(54) TRACKING PROXIMITIES OF DEVICES AND/OR OBJECTS